Coefficient of friction between his clothes and earth
A 72.0 kg base runner begins his slide into second base when he is moving at a speed of 4.5 m/s. The coefficient of friction between his clothes and Earth is 0.70. He slides so that his speed is zero just as he reaches the base.
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Gaseous ethane will react with gaseous oxygen to produce gaseous carbon dioxide and gaseous water . Suppose 10.82 g of ethane is mixed with 62.90 g of oxygen. Calculate the maximum mass of water that could be produced by the chemical reaction. Rou
A sample of 6.022 g of CH4 is enclosed in a 12 L container at 402 K. What is its pressure in atmospheres?
A high-flying Concorde passenger jet displays its Mach number on a screen while cruising at 3000 km/h to be 1.8. What is the speed of sound at that altitude?
Carbon monoxide (CO) is toxic because it binds more strongly to the iron in hemoglobin (Hb) than does oxygen (O2). Estimate the equilibrium constant K at 298 K for the equilibrium HbO2 + CO <--> HbCO + O2.
A buffer solution is made by dissolving CH3COOH and NaCH3COO in water. Write an equation that shows how this buffer neutralizes added acid? write and equation that shows how this buffer neutralizes added base?
A fisherman and his rowboat have a combined mass of 125 kg. Standing in the motionless boat in calm water, he tosses out a 5 kg rock from the back of the boat, with a velocity of 5 m/s. What will be the resulting speed of the boat?
When 0.0172 mol HI is heated to 500 K in a 2 L sealed container, the resulting equilibrium mixture contains 1.9 g of HI. Calculate Kc for the decomposition reaction 2HI(g) -> H2(g) + I2(g) .
Ethane C2H6 burns in oxygen. What are the products of reaction. Write the balanced equation for the reaction
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